| morgan | In genetics, a unit of linkage equal to one hundred map units. (14 Nov 1997) |
|---|---|
| Morgan, Harry de | <person> British physician, 1863-1931. See: Morgan's bacillus. (05 Mar 2000) |
| Morgan's bacillus | Type (and only) species of the genus Morganella. Synonym: Morgan's bacillus. (05 Mar 2000) |
| Morgan's fold | A crease or fold beneath the margin of the lower lid of both eyes, present from birth (or shortly thereafter) in patients with atopic dermatitis. (05 Mar 2000) |
| De Morgan, Campbell | <person> English physician, 1811-1876. See: De Morgan's spots. (05 Mar 2000) |
| De Morgan's spots | <tumour> A red papule due to weakening of the capillary wall, seen mostly in persons over 30 years of age. Synonym: cherry angioma, De Morgan's spots, ruby spots. (05 Mar 2000) |
| absolute unit | A unit whose value is constant regardless of place or time and not derived from dependent on gravitation. (05 Mar 2000) |
| alexin unit | The smallest amount (highest dilution) of complement that will cause haemolysis of a unit of red blood cells in the presence of a haemolysin unit. Synonym: alexin unit. (05 Mar 2000) |
| Allen-Doisy unit | The quantity of oestrogen capable of producing in a spayed mouse a characteristic change in the vaginal epithelium, namely, disappearance of leukocytes and appearance of cornified cells, as determined by a vaginal smear; equal approximately to one-half of an estrone unit. Synonym: mouse unit. (05 Mar 2000) |
| amboceptor unit | haemolysin unit |
| androgen unit | The androgenic activity of 100 ug (0.1 mg) of crystalline androsterone as assayed by the comb growth response in capons. (05 Mar 2000) |
| antigen unit | The smallest amount of antigen that, in the presence of specific antiserum, will fix 1 complement unit. (05 Mar 2000) |
| antitoxin unit | A unit expressing the strength or activity of an antitoxin; in general, determined with reference to a preserved standard preparation of antitoxin. See: L doses. (05 Mar 2000) |
| antivenene unit | The amount of antivenum which, injected in the ear vein, will protect 1 g weight of rabbit against a fatal dose of snake venom. (05 Mar 2000) |
| atomic mass unit | <chemistry> One-twelfth the mass of a neutral atom of the most abundant isotope of carbon. (16 Dec 1997) |